Update README.md

README.md

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 ## Introduction
 
-Gravitational Teleport ("Teleport") is a tool for remotely accessing isolated clusters of 
-Linux servers via SSH or HTTPS. 
-
-Unlike traditional key-based access, Teleport enables teams to easily adopt the following 
-practices:
+Gravitational Teleport ("Teleport") is a modern SSH server for remotely accessing isolated clusters of Linux servers via SSH or HTTPS. It is intended to be used instead of `sshd`. Teleport enables teams to easily adopt the following practices:
 
 - Avoid key distribution and [trust on first use](https://en.wikipedia.org/wiki/Trust_on_first_use) issues by using auto-expiring keys signed by a cluster certificate authority (CA).
+- Integrate SSH credentials into Google Apps or other OAuth identitiy providers.
 - Enforce 2nd factor authentication.
 - Connect to clusters located behind firewalls without direct Internet access via SSH bastions.
 - Record and replay SSH sessions for knowledge sharing and auditing purposes.
 - Collaboratively troubleshoot issues through session sharing.
 - Discover online servers and Docker containers within a cluster with dynamic node labels.
 
-Teleport is built on top of the high-quality [Golang SSH](https://godoc.org/golang.org/x/crypto/ssh) 
-implementation and it is fully compatible with OpenSSH.
+Teleport is built on top of the high-quality [Golang SSH](https://godoc.org/golang.org/x/crypto/ssh) implementation and it is fully compatible with OpenSSH.
 
 ## Installing and Running